Hole Mole - Oklahoma State University–Stillwater–Design Presentation •Spring Semester Plans...
24
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 1 The West Central Pump Works is committed to increasing our clients’ profitability and product value through the development of designs that will enhance existing and future products. Design of a High Pressure System to Aid Horizontal Directional Drill Bit Steering Dustin Holden Curtis Johnson Brandon Kimbrell Kristin Stephens Hole Mole The West Central Pump Works, Inc.
Transcript of Hole Mole - Oklahoma State University–Stillwater–Design Presentation •Spring Semester Plans...
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 1
The West Central Pump Works is committed to increasing our clients’ profitability and product value through the development
of designs that will enhance existing and future products.
Design of a High Pressure System to Aid
Horizontal Directional Drill Bit Steering
Dustin Holden
Curtis Johnson
Brandon Kimbrell
Kristin Stephens
Hole MoleThe West Central Pump Works, Inc.
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 2
Sponsor
• The Charles Machine Works, Inc.
– Established in 1949 by Ed Malzhan
– World Wide Headquarters Located in Perry, Oklahoma
• Manufacturer of Ditch Witch Products, including
– Trenchers and Plows
– Trenchless Technology
– Tracking and Locating Electronics
• World Wide Dealer Network
www.ditchwitch.com
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 3
Problem Statement
Design and develop a concept high pressure pumping
system to assist in steering the boring operations on
Ditch Witch compact Jet Trac units.
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 4
Background
• Horizontal Directional Drilling (HDD) provides a means of
installing underground utilities without cutting a trench in
the soil.
• HDD equipment typically performs well unless the soil is
very hard and dry.
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 5
• Ditch Witch JT520, FT5
• Astec EarthPro DD-65
• Vermeer D6X6 NAVIGATOR, ST250
• Robbins Midi HDD
Market Research
www. ditchwitch.comwww. ditchwitch.com
www. vermeer.com
www. robbinshhd.com
www. astecunderground.com
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 6
Patent Research
• US4957173 – Method and Apparatus for Subsoil Drilling
• US5054565 – Steering Mechanism for a Subsoil Boring
Apparatus
• US4714118 – Technique for Steering and Monitoring the
Orientation of a Powered Underground Boring Device
• US4306627 – Fluid Jet Drilling Nozzle and Method
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 7
Patent Research
• US4674579 – Method and Apparatus for Installment of
Underground Utilities
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 8
Current Solutions
High Pressure Power Washer
FX60 Pump Attachment
www.homedepot.com
www. ditchwitch.com
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 9
Concept Generation
• Kit assembly with water pump on the trailer
• Kit assembly with water pump on the trailer and beside the unit
• Enhance the current mud pump on the JT520 unit
• Replace the current mud pump on the JT520 unit
• High pressure water pump installed on the JT520
• Pressure intensifier or crank drive pump
• Accumulator
• Hydraulic cylinder application
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 10
System Performance Analysis
PSI chart
PRESSURE @ ORIFICE 2250 2346
FLOW RATE Q(gpm) 7
Down hole PSI 50 2471
f (moody friction factor) #7 0.045
f (moody friction factor) hose 0.025
NUMBER OF PIPES 15 57.4
ORIFICE SIZE (in) 0.07 125.3
Large diameter orifice 0.375
Cd 0.595
TOTAL PSI DROP
520 JT: HEAD LOSS & ORIFICE PSI
TOTAL PSI DROP PER PIPE
ASSUMED PARAMETERS GPM chart
6.87
Pressure at Pump (psi)
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 11
T9B Weight Analysis
JT520 weight (lbs) 2980
FT5 wet weight (lbs) 2071 Assumed pumping unit weights (lbs)
TOTAL 5051 440
80
Total load (lbs) 81
5768 41
75
717Trailer weight rating (lbs)
8650
TOTAL
Current weights (lbs)
Hose
50 gal Tank wet weight
Frame (Skid)
Pump
Engine
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 12
T9B Weight Analysis
Ample Support for Added Weight
Improved Trailer Balance
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 13
HM5x20z
• High power requirements
from the JT520
• Significant installation
requirements
Power EvaluationFluid
Power (hp)
Available power from
the JT520 14.6
Power required by high
pressure system 10.2
Power remaining for
other operations 4.4
HM5x20z Component List
Engine Honda 2.5 HP, 7800 RPM, CCW Rotation (Honda, 2006)
Pump Sherwood Rubber Impellor Pump, 8 GPM,
+3500 RPM (Surplus Center, 2006)
Hose 5/8" X 100' Soft Garden Hose (Lowes, 2006)
Cylinder 2- 5" X 20" w/ 1.5" Rod
Control Valve 4 Way, 3 Position, Tandem Centered
RC TeleChief TM2000 (Control Chief, 2003)
Tank Ditch Witch 50 gal
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 14
HM5x20z Operating Conditions
Power U.S.
Engine Honda
Fuel Gasoline
Flywheel Power 2.5
Maximum Governed Speed 7800 RPM
Pumping System U.S.
Operating Flow Rate 7 GPM
Operating Fluid Pressure 2500 PSI
Supply Power Hose Length 100 ft
Supply Power Hose Rating 60 PSI
Supply Flow Rate 8 GPM
Supply Fluid Pressure 40 PSI
Fluid Capacities U.S.
Water Reservoir 50 gal
Fuel Tank 1.2 qt
Control System
Solenoid Valve 12 V DC
Wireless Remote
Hardwired
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 15
HM5x20z Schematic
Power beyond to
drilling functions
Fluid power input
from ground drive
2500 PSI relief
High pressure fluid to
drill stringWater Tank
5" Bore X 20" Stroke
8 GPM
40 PSI
pump
HM5x20z
Hydraulic
Diagram
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 16
HM2500z
Tank
Engine Hose Reel
Pump
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 17
HM2500z
• High pressure water pump as skid-mounted kit
• No modification to current JT520
• Operator-controlled by remote
HM2500z Component List
Engine Honda 13 HP, 3900 RPM, CCW Rotation (Honda, 2006)
PumpGeneral Pump TSF2021as, Triplex, 7 GPM, 3600 PSI
(Chappell Supply, 2006)
HD Hose 1/2" X 100' 5800 PSI
RC TeleChief TM2000 (Control Chief, 2003)
Tank Ditch Witch 50 gal
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 18
HM2500z Operating Conditions
Power U.S.
Engine Honda
Fuel Gasoline
Flywheel Power 13
Maximum Governed Speed 3900 RPM
Pumping System U.S.
Operating Flow Rate 7 GPM
Operating Fluid Pressure 2500 PSI
Power Hose Length 100 ft
Power Hose Rating 5800 PSI
Fluid Capacities U.S.
Water Reservoir 50 gal
Fuel Tank 7.4 qt
Control System
Electrical Clutch 12 V DC
Wireless Remote
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 19
HM2500z Advantages
• Allows JT520 to thrust and rotate drill head while high pressure is being supplied.
• Installed completely on T9B trailer
• Quick and easy installation
• Customer friendly
www.ditchwitch.com
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 20
Proposed Budget
KIT COSTS
Component HM2500z HM5x20z
Engine $675 $300
Pump $2,100 $60
Tank $120 $120
HD Hose $585 N/A
Low Pressure Hose N/A $35
Cylinders* N/A $900
Control Valves* N/A $650
Remote Control $475 $475
Tank Skid* $70 $70
TOTAL $4,025 $2,610
* Cost estimate subject to change
www.honda-engines.com
General Pump
www.rapidreel.com
www.honda-engines.com
www.surpluscenter.com
www.lowes.com
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 21
Project Schedule
• Fall Semester Accomplishments– Project Definition
– Concept Development
– Concept Analysis
– Documentation
– Design Presentation
• Spring Semester
Plans
– Final Design Analysis
– Ordering Components
– Manufacture
– Testing
– Documentation
– Design Presentation
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 22
Design Recommendation
HM2500z
Tank
EngineHose Reel
Pump
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 23
Acknowledgements
The West Central Pump Works, Inc. would like to thank
all of those who have contributed to this design project.
Mr. Richard Sharp – Ditch Witch R&D Product Engineer
Mr. Kelvin Self – Ditch Witch R&D Manager
Dr. Paul Weckler – Senior Design Instructor
Dr. Glenn Brown – Senior Seminar Instructor
Dr. Carol Jones – BAE Faculty Member
Mr. Wayne Kiner – BAE Lab Manager
Dr. Ron Elliott – BAE Department Head
BAE – 4012 Fall 2006 The West Central Pump Works, Inc. 24
Questions?
